Portsmouth Rhode Island Weather Almanac  
Tuesday, June 3, 2025  
Clear and Much Warmer  
  Climate Normal Period Climate Record Period
    1991 - 2020 1893 - 2025
  Jun 3           Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   78   83   70   +8   88   in 1943   51   in 1907  
Minimum Temperature   51   58   54   -3   65   in 1918   44   in 1946  
Average Temperature   65   71   62   +3   75   in 1943   49   in 1907  
 Month Avg Max Temperature   69.3   79.3   70.0   -0.7   84.7   in 1944   53.3   in 1907  
Month Avg Min Temperature   50.7   55.0   53.3   -2.7   63.0   in 1895   44.3   in 1945  
Month Average Temperature   60.3   67.7   62.0   -1.7   74.0   in 1895   49.3   in 1907  
High Heat Index   78   85           91   in 1943            
Low Wind Chill                             39   in 1954  
Heating Degree Days   0   0   4   -4   16   in 1907   0   in 2025  
Month Heating DD   14   0   12   +2   47   in 1907   0   in 2024  
Season Heating DD   5016   4947   5471   -455   6548   in 1905   4374   in 1932    
Cooling Degree Days   0   6   1   -1   10   in 1943   0   in All    
Month Cooling DD   0   8   3   -3   27   in 1895   0   in Many    
Year Cooling DD   0   8   3   -3   27   in 1895   0   in Many    
Maximum Dew Point   58   63   59   -1   67   in 1999   41   in 1953    
Minimum Dew Point   47   55   49   -2   59   in 2013   27   in 1986    
Average  Dew Point   53   59   54   -1   63   in 1995   35   in 1986  
 Month Avg Max Dew Point   54.7   61.0   59.0   -4.3   66.3   in 2013   43.3   in 1953  
Month Avg Min Dew Point   46.0   49.7   48.7   -2.7   58.3   in 2013   34.3   in 1953  
Month Average Dew Point   50.3   55.3   53.7   -3.3   62.3   in 2013   38.8   in 1953  
Precipitation   .00   T   .11   -.11   1.30   in 1959            
One Hour Rain   .00   T           .73   in 1960            
Half Hour Rain   .00   .00         .19   in 2012            
Hourly Rain Rate   .00   .00           4.00   in 2012            
Month Precipitation   T   T   .33   -.33   2.19   in 1984   .00   in 2020  
Year Precipitation   20.39   29.16   19.37   +1.02   35.86   in 1983   11.66   in 1905  
Snow   0.0   0.0   #N/A   #N/A   0.0   in 1900   0.0   in Many  
Snow Depth   0   0   0       0   in 2020   0   in Many  
Month Snow   0.0   0.0   T       #N/A   in #N/A   0.0   in Many  
Season Snow   11.9   12.7   33.8   21.9   84.1   in 1996   5.0   in 1998  
    Jun 3           Record Record
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest
Maximum Humidity   92%   94%   91%   +1%   100%   in 2021   52%   in 1953  
Minimum Humidity   38%   42%   56%   -18%   93%   in 2013   28%   in 1953  
Average Humidity   65%   68%   73%   -8%   97%   in 2013   40%   in 1953  
Maximum Barometer   30.20   29.97   30.02   +00.18   30.49   in 1986   29.61   in 1954  
Minimum Barometer   30.01   29.89   29.82   +00.19   30.15   in 2015   29.42   in 1907  
Average Barometer   30.11   29.93   29.92   +00.19   30.23   in 1996   29.55   in 1954  
Average Wind   5.5   4.4   6.4   -0.9   15.5   in 2023   2.6   in 2016  
Direction   S   SW   SSW       NNE         SSW        
High Wind Gust   20   14   22   -2   44   in 1902   10   in 2016  
Direction   S   SSE   SW       NW         SE        
Maximum Water Temp   62.1   64.4   60.8   +1.3   67.6   in 2007   53.8   in 2020  
Minimum Water Temp   59.5   59.4   57.4   +2.1   63.9   in 2010   51.6   in 2020  
Average Water Temp   60.8   61.9   59.1   +1.7   65.3   in 2010   52.7   in 2020  
Sunrise/ AM Twilight   5:12:42 AM   4:39:07 AM            
Sunset / PM Twilight   8:14:05 PM   8:48:06 PM            
Length Of Day   15:01:23                          
Special Conditions   None                                  
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